pkijs
Version:
Public Key Infrastructure (PKI) is the basis of how identity and key management is performed on the web today. PKIjs is a pure JavaScript library implementing the formats that are used in PKI applications. It is built on WebCrypto and aspires to make it p
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JavaScript
;
Object.defineProperty(exports, "__esModule", {
value: true
});
var _createClass = function () { function defineProperties(target, props) { for (var i = 0; i < props.length; i++) { var descriptor = props[i]; descriptor.enumerable = descriptor.enumerable || false; descriptor.configurable = true; if ("value" in descriptor) descriptor.writable = true; Object.defineProperty(target, descriptor.key, descriptor); } } return function (Constructor, protoProps, staticProps) { if (protoProps) defineProperties(Constructor.prototype, protoProps); if (staticProps) defineProperties(Constructor, staticProps); return Constructor; }; }();
var _asn1js = require("asn1js");
var asn1js = _interopRequireWildcard(_asn1js);
var _pvutils = require("pvutils");
var _Attribute = require("./Attribute.js");
var _Attribute2 = _interopRequireDefault(_Attribute);
function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }
function _interopRequireWildcard(obj) { if (obj && obj.__esModule) { return obj; } else { var newObj = {}; if (obj != null) { for (var key in obj) { if (Object.prototype.hasOwnProperty.call(obj, key)) newObj[key] = obj[key]; } } newObj.default = obj; return newObj; } }
function _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError("Cannot call a class as a function"); } }
//**************************************************************************************
/**
* Class from RFC5652
*/
var SignedAndUnsignedAttributes = function () {
//**********************************************************************************
/**
* Constructor for SignedAndUnsignedAttributes class
* @param {Object} [parameters={}]
* @property {Object} [schema] asn1js parsed value
*/
function SignedAndUnsignedAttributes() {
var parameters = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : {};
_classCallCheck(this, SignedAndUnsignedAttributes);
//region Internal properties of the object
/**
* @type {number}
* @description type
*/
this.type = (0, _pvutils.getParametersValue)(parameters, "type", SignedAndUnsignedAttributes.defaultValues("type"));
/**
* @type {Array}
* @description attributes
*/
this.attributes = (0, _pvutils.getParametersValue)(parameters, "attributes", SignedAndUnsignedAttributes.defaultValues("attributes"));
/**
* @type {ArrayBuffer}
* @description encodedValue Need to have it in order to successfully process with signature verification
*/
this.encodedValue = (0, _pvutils.getParametersValue)(parameters, "encodedValue", SignedAndUnsignedAttributes.defaultValues("encodedValue"));
//endregion
//region If input argument array contains "schema" for this object
if ("schema" in parameters) this.fromSchema(parameters.schema);
//endregion
}
//**********************************************************************************
/**
* Return default values for all class members
* @param {string} memberName String name for a class member
*/
_createClass(SignedAndUnsignedAttributes, [{
key: "fromSchema",
//**********************************************************************************
/**
* Convert parsed asn1js object into current class
* @param {!Object} schema
*/
value: function fromSchema(schema) {
//region Check the schema is valid
var asn1 = asn1js.compareSchema(schema, schema, SignedAndUnsignedAttributes.schema({
names: {
tagNumber: this.type,
attributes: "attributes"
}
}));
if (asn1.verified === false) throw new Error("Object's schema was not verified against input data for SignedAndUnsignedAttributes");
//endregion
//region Get internal properties from parsed schema
this.type = asn1.result.idBlock.tagNumber;
this.encodedValue = asn1.result.valueBeforeDecode;
//region Change type from "[0]" to "SET" accordingly to standard
var encodedView = new Uint8Array(this.encodedValue);
encodedView[0] = 0x31;
//endregion
if ("attributes" in asn1.result === false) {
if (this.type === 0) throw new Error("Wrong structure of SignedUnsignedAttributes");else return; // Not so important in case of "UnsignedAttributes"
}
this.attributes = Array.from(asn1.result.attributes, function (element) {
return new _Attribute2.default({ schema: element });
});
//endregion
}
//**********************************************************************************
/**
* Convert current object to asn1js object and set correct values
* @returns {Object} asn1js object
*/
}, {
key: "toSchema",
value: function toSchema() {
if (SignedAndUnsignedAttributes.compareWithDefault("type", this.type) || SignedAndUnsignedAttributes.compareWithDefault("attributes", this.attributes)) throw new Error("Incorrectly initialized \"SignedAndUnsignedAttributes\" class");
//region Construct and return new ASN.1 schema for this object
return new asn1js.Constructed({
optional: true,
idBlock: {
tagClass: 3, // CONTEXT-SPECIFIC
tagNumber: this.type // "SignedAttributes" = 0, "UnsignedAttributes" = 1
},
value: Array.from(this.attributes, function (element) {
return element.toSchema();
})
});
//endregion
}
//**********************************************************************************
/**
* Convertion for the class to JSON object
* @returns {Object}
*/
}, {
key: "toJSON",
value: function toJSON() {
if (SignedAndUnsignedAttributes.compareWithDefault("type", this.type) || SignedAndUnsignedAttributes.compareWithDefault("attributes", this.attributes)) throw new Error("Incorrectly initialized \"SignedAndUnsignedAttributes\" class");
return {
type: this.type,
attributes: Array.from(this.attributes, function (element) {
return element.toJSON();
})
};
}
//**********************************************************************************
}], [{
key: "defaultValues",
value: function defaultValues(memberName) {
switch (memberName) {
case "type":
return -1;
case "attributes":
return [];
case "encodedValue":
return new ArrayBuffer(0);
default:
throw new Error("Invalid member name for SignedAndUnsignedAttributes class: " + memberName);
}
}
//**********************************************************************************
/**
* Compare values with default values for all class members
* @param {string} memberName String name for a class member
* @param {*} memberValue Value to compare with default value
*/
}, {
key: "compareWithDefault",
value: function compareWithDefault(memberName, memberValue) {
switch (memberName) {
case "type":
return memberValue === SignedAndUnsignedAttributes.defaultValues("type");
case "attributes":
return memberValue.length === 0;
case "encodedValue":
return memberValue.byteLength === 0;
default:
throw new Error("Invalid member name for SignedAndUnsignedAttributes class: " + memberName);
}
}
//**********************************************************************************
/**
* Return value of asn1js schema for current class
* @param {Object} parameters Input parameters for the schema
* @returns {Object} asn1js schema object
*/
}, {
key: "schema",
value: function schema() {
var parameters = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : {};
// signedAttrs [0] IMPLICIT SignedAttributes OPTIONAL,
// unsignedAttrs [1] IMPLICIT UnsignedAttributes OPTIONAL }
//SignedAttributes ::= SET SIZE (1..MAX) OF Attribute
//UnsignedAttributes ::= SET SIZE (1..MAX) OF Attribute
/**
* @type {Object}
* @property {string} [blockName]
* @property {number} [tagNumber]
* @property {string} [attributes]
*/
var names = (0, _pvutils.getParametersValue)(parameters, "names", {});
return new asn1js.Constructed({
name: names.blockName || "",
optional: true,
idBlock: {
tagClass: 3, // CONTEXT-SPECIFIC
tagNumber: names.tagNumber // "SignedAttributes" = 0, "UnsignedAttributes" = 1
},
value: [new asn1js.Repeated({
name: names.attributes || "",
value: _Attribute2.default.schema()
})]
});
}
}]);
return SignedAndUnsignedAttributes;
}();
//**************************************************************************************
exports.default = SignedAndUnsignedAttributes;
//# sourceMappingURL=SignedAndUnsignedAttributes.js.map